add required for solid-form

source/import_documentation/Components/Solid-Form.rst

@@ -80,6 +80,11 @@ Attributes
    Add this attribute when the form does not include
    all the fields of the resource to update.
 
+``required-[field]``
+~~~~~~~~~~~~~~~~~~~~
+   Add this attribute to make the ``[field]`` required by adding the ``required`` attribute to the input.
+
+
 ``min-[field]``
 ~~~~~~~~~~~
    Add this attribute for the field ``[field]`` to define its minimum value.

source/import_documentation/attributes-list.rst

@@ -191,6 +191,7 @@ List of attributes (core framework)
 ``required-[field]``
 ~~~~~~~~~~~~~~~~~~~~
    * :ref:`required-mixin <required-mixin>`
+   * :ref:`solid-form <solid-form>`
 
 ``sorted-by``
 ~~~~~~~~~~~~~~~